The conjugative bridging of organometallic reaction centers in heterodinuclear complexes (OC)3ClRe(m-L)MCl(C5Me5)+, M = Rh or Ir - Spectroscopic consequences of reductive activation. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)12:1883--1893, 2004. [PUMA: ESR IR UV arom bis bridged chelate chelate;redox chelate;rhenium compd complex complex;spectroelectrochem conjugated electrochem half heterobinuclear heterocyclic iridium ligand;rhodium nitrogen potential prepn;pyrazine prepn;redn pyrimidine rhenium rhodium sandwich tetrazole]